[INFO] fetching crate docker-generate 0.1.3...
[INFO] documenting docker-generate-0.1.3 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate docker-generate 0.1.3 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate docker-generate 0.1.3 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate docker-generate 0.1.3
[INFO] finished tweaking crates.io crate docker-generate 0.1.3
[INFO] tweaked toml for crates.io crate docker-generate 0.1.3 written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f3d7a77c9a835548d545018923d2a5da50e851f9c103e04598dc3ebb36a453c
[INFO] running `Command { std: "docker" "start" "-a" "3f3d7a77c9a835548d545018923d2a5da50e851f9c103e04598dc3ebb36a453c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f3d7a77c9a835548d545018923d2a5da50e851f9c103e04598dc3ebb36a453c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f3d7a77c9a835548d545018923d2a5da50e851f9c103e04598dc3ebb36a453c", kill_on_drop: false }`
[INFO] [stdout] 3f3d7a77c9a835548d545018923d2a5da50e851f9c103e04598dc3ebb36a453c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 433f291a50c69d9f176138405bf533f5e912f349361a16fe93d28199b1fb4576
[INFO] running `Command { std: "docker" "start" "-a" "433f291a50c69d9f176138405bf533f5e912f349361a16fe93d28199b1fb4576", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting docker-generate v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "433f291a50c69d9f176138405bf533f5e912f349361a16fe93d28199b1fb4576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "433f291a50c69d9f176138405bf533f5e912f349361a16fe93d28199b1fb4576", kill_on_drop: false }`
[INFO] [stdout] 433f291a50c69d9f176138405bf533f5e912f349361a16fe93d28199b1fb4576
